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STY

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Revision as of 14:53, 27 June 2024 by Xetheria (talk | contribs) (fixed opcode for direct page indexed by x admode)
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Basic Info
Addressing Mode Opcode Length Speed
Absolute 8C 3 bytes 4 cycles*
Direct Page 84 2 bytes 3 cycles*
Direct Page Indexed by X 94 2 bytes 4 cycles*
Flags Affected
N V M X D I Z C
. . . . . . . .

STY (Store Y) is a 65x instruction that stores the value of the Y index register.

Cycle Penalties

See Also

External Links